diff --git a/services/terraform/dynamodb.tf b/services/terraform/dynamodb.tf
index 10d9c5e2e..4325dfb85 100644
--- a/services/terraform/dynamodb.tf
+++ b/services/terraform/dynamodb.tf
@@ -1,211 +1,229 @@
 resource "aws_dynamodb_table" "backup-service-backup" {
   name           = "backup-service-backup"
   hash_key       = "userID"
   range_key      = "backupID"
   write_capacity = 10
   read_capacity  = 10
 
   attribute {
     name = "userID"
     type = "S"
   }
 
   attribute {
     name = "backupID"
     type = "S"
   }
 
   attribute {
     name = "created"
     type = "S"
   }
 
   global_secondary_index {
     name               = "userID-created-index"
     hash_key           = "userID"
     range_key          = "created"
     write_capacity     = 10
     read_capacity      = 10
     projection_type    = "INCLUDE"
     non_key_attributes = ["recoveryData"]
   }
 }
 
 resource "aws_dynamodb_table" "backup-service-log" {
   name           = "backup-service-log"
   hash_key       = "backupID"
   range_key      = "logID"
   write_capacity = 10
   read_capacity  = 10
 
   attribute {
     name = "backupID"
     type = "S"
   }
 
   attribute {
     name = "logID"
     type = "S"
   }
 }
 
 resource "aws_dynamodb_table" "blob-service-blob" {
   name           = "blob-service-blob"
   hash_key       = "blobHash"
   write_capacity = 10
   read_capacity  = 10
 
   attribute {
     name = "blobHash"
     type = "S"
   }
 }
 
 resource "aws_dynamodb_table" "blob-service-reverse-index" {
   name           = "blob-service-reverse-index"
   hash_key       = "holder"
   write_capacity = 10
   read_capacity  = 10
 
   attribute {
     name = "holder"
     type = "S"
   }
 
   attribute {
     name = "blobHash"
     type = "S"
   }
 
   global_secondary_index {
     name            = "blobHash-index"
     hash_key        = "blobHash"
     write_capacity  = 10
     read_capacity   = 10
     projection_type = "ALL"
   }
 }
 
+resource "aws_dynamodb_table" "tunnelbroker-undelivered-messages" {
+  name           = "tunnelbroker-undelivered-messages"
+  hash_key       = "deviceID"
+  range_key      = "createdAt"
+  write_capacity = 10
+  read_capacity  = 10
+
+  attribute {
+    name = "deviceID"
+    type = "S"
+  }
+
+  attribute {
+    name = "createdAt"
+    type = "N"
+  }
+}
+
 resource "aws_dynamodb_table" "identity-users" {
   name           = "identity-users"
   hash_key       = "userID"
   write_capacity = 10
   read_capacity  = 10
 
   attribute {
     name = "userID"
     type = "S"
   }
 
   attribute {
     name = "username"
     type = "S"
   }
 
   attribute {
     name = "walletAddress"
     type = "S"
   }
 
   global_secondary_index {
     name            = "username-index"
     hash_key        = "username"
     write_capacity  = 10
     read_capacity   = 10
     projection_type = "KEYS_ONLY"
   }
 
   global_secondary_index {
     name            = "walletAddress-index"
     hash_key        = "walletAddress"
     write_capacity  = 10
     read_capacity   = 10
     projection_type = "KEYS_ONLY"
   }
 }
 
 # Identity users with opaque_ke 2.0 credentials
 resource "aws_dynamodb_table" "identity-users-opaque2" {
   name           = "identity-users-opaque2"
   hash_key       = "userID"
   write_capacity = 10
   read_capacity  = 10
 
   attribute {
     name = "userID"
     type = "S"
   }
 
   attribute {
     name = "username"
     type = "S"
   }
 
   attribute {
     name = "walletAddress"
     type = "S"
   }
 
   global_secondary_index {
     name            = "username-index"
     hash_key        = "username"
     write_capacity  = 10
     read_capacity   = 10
     projection_type = "KEYS_ONLY"
   }
 
   global_secondary_index {
     name            = "walletAddress-index"
     hash_key        = "walletAddress"
     write_capacity  = 10
     read_capacity   = 10
     projection_type = "KEYS_ONLY"
   }
 }
 
 resource "aws_dynamodb_table" "identity-tokens" {
   name           = "identity-tokens"
   hash_key       = "userID"
   range_key      = "signingPublicKey"
   write_capacity = 10
   read_capacity  = 10
 
   attribute {
     name = "userID"
     type = "S"
   }
 
   attribute {
     name = "signingPublicKey"
     type = "S"
   }
 }
 
 resource "aws_dynamodb_table" "identity-nonces" {
   name           = "identity-nonces"
   hash_key       = "nonce"
   write_capacity = 10
   read_capacity  = 10
 
   attribute {
     name = "nonce"
     type = "S"
   }
 }
 
 resource "aws_dynamodb_table" "feature-flags" {
   name         = "feature-flags"
   hash_key     = "platform"
   range_key    = "feature"
   billing_mode = "PAY_PER_REQUEST"
 
   attribute {
     name = "platform"
     type = "S"
   }
 
   attribute {
     name = "feature"
     type = "S"
   }
 }